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Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing
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Published on: January 24, 2020

Predicting premorbid memory functioning in older adults.

Kevin Duff1

  • 1Department of Neurology, University of Utah, Salt Lake City, 84108, USA. kevin.duff@hsc.utah.edu

Applied Neuropsychology
|December 15, 2010
PubMed
Summary
This summary is machine-generated.

Estimating premorbid memory abilities helps assess cognitive change. This study developed prediction formulas, finding significant memory decline in individuals with amnestic Mild Cognitive Impairment.

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Area of Science:

  • Neuropsychology
  • Cognitive Aging
  • Neurology

Background:

  • Assessing cognitive change necessitates comparing estimated premorbid abilities with current functioning.
  • While premorbid intellect is well-studied, premorbid memory estimation is less explored.
  • Accurate premorbid memory assessment is crucial for detecting cognitive decline.

Purpose of the Study:

  • To develop and validate prediction formulas for estimating premorbid memory abilities.
  • To investigate discrepancies between estimated premorbid and current memory functioning in cognitively intact older adults and those with amnestic Mild Cognitive Impairment (aMCI).
  • To provide clinicians with tools for identifying cognitive change over time.

Main Methods:

  • Used demographic variables and estimated premorbid intellect to predict premorbid memory in 95 cognitively intact older adults.
  • Applied derived prediction formulas to a sample of 74 individuals diagnosed with amnestic Mild Cognitive Impairment.
  • Analyzed discrepancies between estimated premorbid memory and current memory performance.

Main Results:

  • Prediction formulas for premorbid memory were established using demographic data and intellect estimates.
  • Minimal differences were found between estimated premorbid and current memory in the cognitively intact group.
  • Significant and large discrepancies between premorbid and current memory abilities were observed in the aMCI group.

Conclusions:

  • The developed estimation methods for premorbid memory abilities show promise in clinical settings.
  • Significant memory decline was identified in individuals with aMCI compared to their estimated premorbid levels.
  • Further validation in larger, diverse samples is recommended to enhance clinical utility.